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7.
Cap nut MB
/8!
2
.
Scud MB x
1 75
18!
3
.
Angular Cube, oil
rnler
4
.
Locrite 242
5.
Crankcase
upper hall
6
.
Junctron box
bracke
t
7.
Lock
washer 5
mm
12!
8
. Cyl.
screw MS x 12 121
9
.
Oil
sea
l
121
70.
Ball
bearing, 121
71
.
Distance nng 121
12.
0-ring /3!
13 Crankshaft
14
Woodruff key
3 x 3
.
7
15
.
Ball bearing /1 I
16.
Lock washer
22
mm
CLEANING
Discard all oil
seals,
gaskets, 0-rings and sealing rings
.
Clean
all metal
components
in a non-ferrous metal
clean-
er
.
Remove old Loctite from crankcase
matrng
surfaces
with
Bombardier
sealant stnpper
.
.._.CAUTION: Never use a sharp object to scrape
T
away old sealant as score marks incurred are de-
trimental to crankcase sealing.
DISASSEMBLY
General
To
remove
drive pulley,
refer
to
"Drive pulley", sectron
03-03.
To remove magneto, refer to "Magneto"
in
this section.
1 0,15, Ball bearings
To
remove bearings from crankshaft use a protective cap
special
puller as
illustrated
.
A000001082
Section 02
ENGINE
Sub-section 05
(462 ENGINE TYPE)
17.
Hex nut M22x 1 5
18 Angular tube, orl
outlet
19
Loctrte 2 71
20.
Loctite
5
15
21 Crankcase lower half
22.
Lock
wash
er
8
mm
1101
23 Hex
.
screw
MB x 45 /21
24
.
Stud M
10
x
42 /41
25 Drstance sleeve 15
mm
1
4
!
26
Lock
washe
r
10
mm
14!
27.
Hex nut M10 141
28
Hex.
screw
MB
x
70
fBI
29 Allen
bole
MB x 40
14!
30
Lock
washer
8
mm
14!
31
.
Hex
.
screw
M6
x
35 121
32
.
Lock washer 6
mm
121
INSPECTION
The
inspection
of the
engine
bottom
end
must include
the following
measurements:
TOLERANCES
MEASUREMENTS
FITTING NEW PARTS
WEAR LIMIT
(MIN.)
(MAX
.)
Crankshaft
NA
NA
.08 mm
deflect
ion
1.0031")
Connectrng
rod big
.20 mm
.53
mm
1.00mm
end axial
play
1.0079"
1
L0208
"1
(.0394
"
1
0
NOTE: For the measurement procedures
,
refer to
"Engine
dimensions
measurement",
section
02-10
.
ASSEMBLY
10, 15, Ball bearings
Prior to rnstallation, place bearings
into
an
oil container
filled with oil previously heated to
100°
C
(210
°
F) Thrs
will expand bearing and ease installation
.
Then
put
the
distance rings on
each
side of the crankshaft. flat side
of the
inner
diameter against the bearing and round
side
against the
counterweight.
Install the bearings being careful not to mix them
.
The
two bearings
on
the PTO side have
more clearance
bet-
ween the balls and the bearing
cage,
and
it
also has
plastic cage
.
Make sure that the distance ring does not move bet-
ween the counter-weight
and the
bearing
on each side
of the
crankshaft
Use the distance gauge !PIN
420
876
8201
to
adjust the
position of
the
second bearing on PTO side
.
See
illus-
tration
.
02-05-7
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